DE60044286D1 - OPTICAL HEAD - Google Patents
OPTICAL HEADInfo
- Publication number
- DE60044286D1 DE60044286D1 DE60044286T DE60044286T DE60044286D1 DE 60044286 D1 DE60044286 D1 DE 60044286D1 DE 60044286 T DE60044286 T DE 60044286T DE 60044286 T DE60044286 T DE 60044286T DE 60044286 D1 DE60044286 D1 DE 60044286D1
- Authority
- DE
- Germany
- Prior art keywords
- optical head
- optical
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1384—Fibre optics
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nanotechnology (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Optical Head (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21097199 | 1999-07-26 | ||
JP2000183285A JP4421742B2 (en) | 1999-07-26 | 2000-06-19 | Optical head |
PCT/JP2000/004824 WO2001008142A1 (en) | 1999-07-26 | 2000-07-18 | Optical head |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60044286D1 true DE60044286D1 (en) | 2010-06-10 |
Family
ID=26518361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60044286T Expired - Lifetime DE60044286D1 (en) | 1999-07-26 | 2000-07-18 | OPTICAL HEAD |
Country Status (5)
Country | Link |
---|---|
US (1) | US6473384B1 (en) |
EP (1) | EP1120778B1 (en) |
JP (1) | JP4421742B2 (en) |
DE (1) | DE60044286D1 (en) |
WO (1) | WO2001008142A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7599277B1 (en) * | 1998-11-09 | 2009-10-06 | Seiko Instruments Inc. | Near-field optical head having tapered hole for guiding light beam |
JP4485012B2 (en) * | 1999-08-30 | 2010-06-16 | セイコーインスツル株式会社 | Optical head |
JP2001344780A (en) * | 2000-05-31 | 2001-12-14 | Fujitsu Ltd | Optical driving device and optical storage device |
TWI236543B (en) * | 2000-09-04 | 2005-07-21 | Sony Corp | Optical device, its producing method, as well as recording and reproducing apparatus that employing the optical device |
JP4267834B2 (en) * | 2001-02-16 | 2009-05-27 | セイコーインスツル株式会社 | Information recording / reproducing device |
JP4245117B2 (en) * | 2001-06-22 | 2009-03-25 | セイコーインスツル株式会社 | Optical information recording / reproducing apparatus |
JP4482254B2 (en) * | 2001-09-27 | 2010-06-16 | セイコーインスツル株式会社 | Optical head |
US7652847B2 (en) * | 2003-12-12 | 2010-01-26 | Seagate Technology Llc | Minimized skew angle slider |
JP4313784B2 (en) * | 2004-07-15 | 2009-08-12 | セイコーインスツル株式会社 | Near-field optical head and information recording / reproducing apparatus equipped with the near-field optical head |
JP4482485B2 (en) * | 2005-05-18 | 2010-06-16 | セイコーインスツル株式会社 | Head module |
JP4565452B2 (en) * | 2006-07-27 | 2010-10-20 | セイコーインスツル株式会社 | Head gimbal mechanism and information recording / reproducing apparatus |
US20100119194A1 (en) * | 2008-11-13 | 2010-05-13 | Seagate Technology Llc | Optical Waveguide With Reflector |
JP5597000B2 (en) * | 2009-09-30 | 2014-10-01 | セイコーインスツル株式会社 | Recording flexure, head gimbal assembly including the same, and manufacturing method of recording flexure |
JP5415887B2 (en) * | 2009-09-30 | 2014-02-12 | セイコーインスツル株式会社 | Head gimbal assembly |
JP5596997B2 (en) * | 2009-09-30 | 2014-10-01 | セイコーインスツル株式会社 | Head gimbal assembly |
US9690093B2 (en) * | 2014-10-15 | 2017-06-27 | Medlumics S.L. | Optical beam scanner |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0573980A (en) * | 1991-09-12 | 1993-03-26 | Ricoh Co Ltd | Optical head for optical disk drive device |
US5351229A (en) | 1991-12-24 | 1994-09-27 | International Business Machines Corporation | Tribo-attractive contact slider for an optical read/write system |
JPH05234117A (en) * | 1991-12-24 | 1993-09-10 | Internatl Business Mach Corp <Ibm> | Optical head device and optical disk storage device |
JP3379250B2 (en) * | 1994-11-28 | 2003-02-24 | 松下電器産業株式会社 | Optical head composite and optical recording / reproducing device |
US6034938A (en) * | 1996-07-30 | 2000-03-07 | Seagate Technology, Inc. | Data storage system having an optical processing flying head |
US5850375A (en) | 1996-07-30 | 1998-12-15 | Seagate Technology, Inc. | System and method using optical fibers in a data storage and retrieval system |
JPH10172123A (en) * | 1996-12-05 | 1998-06-26 | Dainippon Printing Co Ltd | Manufacture of gimbal suspension for magnetic head suspension and the gimbal suspension |
JP3522487B2 (en) * | 1997-03-21 | 2004-04-26 | 日本電信電話株式会社 | Polarized near-field light detection head and optical information recording / reproducing device using the same |
JPH1116198A (en) * | 1997-06-23 | 1999-01-22 | Hitachi Ltd | Optical head and information recording and reproducing device |
KR100508418B1 (en) * | 1997-11-06 | 2005-11-24 | 후지제롯쿠스 가부시끼가이샤 | Optical Heads and Optical Disc Devices |
JP3400374B2 (en) * | 1999-01-27 | 2003-04-28 | 日本電信電話株式会社 | Optical pickup |
-
2000
- 2000-06-19 JP JP2000183285A patent/JP4421742B2/en not_active Expired - Fee Related
- 2000-07-18 DE DE60044286T patent/DE60044286D1/en not_active Expired - Lifetime
- 2000-07-18 EP EP00946388A patent/EP1120778B1/en not_active Expired - Lifetime
- 2000-07-18 WO PCT/JP2000/004824 patent/WO2001008142A1/en active Application Filing
- 2000-07-18 US US09/787,855 patent/US6473384B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1120778A1 (en) | 2001-08-01 |
WO2001008142A1 (en) | 2001-02-01 |
US6473384B1 (en) | 2002-10-29 |
JP4421742B2 (en) | 2010-02-24 |
JP2001101704A (en) | 2001-04-13 |
EP1120778B1 (en) | 2010-04-28 |
EP1120778A4 (en) | 2005-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |